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A single HTTP 502 from fill.papermc.io aborted the entire bootstrap. Build resolution used a one-shot curl, so one gateway blip from an upstream that flaps was indistinguishable from a permanent failure, and the run died before Docker, k3s or any game server was provisioned. Pass --retry 5 --retry-delay 2 to the build-resolution fetches. 502/503/504 are already in curl's built-in transient set, so the tool had solved this; the flags were simply never passed. papermc_latest_jar is shared by the Paper and the Velocity resolve, so hardening it once covers both callers. The LOOHP/Limbo CI metadata fetch feeds the same step and gets the same treatment. Deliberately no --retry-connrefused. It only adds ECONNREFUSED to a set that already covers this incident, and it needs curl 7.52.0 while the yum (el7) path the script supports ships 7.29.0, where an unrecognised long option is a parse error rather than a warning: # centos:7, curl 7.29.0 $ curl -fsSL --retry 5 --retry-delay 2 --retry-connrefused https://example.com curl: option --retry-connrefused: is unknown Under set -Eeuo pipefail that exits 2 and trips the || die, so both hardened fetches would hard-fail on a host where they used to work, each naming a cause that is not the real one. A comment above papermc_latest_jar records this so the flag does not come back. The failure message was actively misleading. "no Paper build for Minecraft 26.2 (the login gate speaks only that protocol)" reads as "that Minecraft version is unsupported", sending the reader after a version-pinning problem that does not exist: Paper 26.2 build 60 resolved fine minutes later. Say what is actually known instead, that the build likely exists and Fill is flapping. Verified against a local always-502 server: curl now issues 6 requests (1 initial + 5 retries) over 10.1s before giving up, where it previously issued 1 and died. Verified on centos:7 that this flag set is accepted, and against the live Fill v3 API that the resolve still returns a jar URL. Known and deliberately unchanged: no fetch sets --max-time, so an upstream that accepts a connection and never answers still blocks forever. --retry does not cover that, as it fires only once a request completes with a failure. The remaining single-shot downloads (cloudflared, the Docker GPG key and repo list, k3s, the Temurin JRE, the Velocity jar, the Go toolchain) keep their existing no-retry shape rather than widen this diff on a script that is about to provision a live host.
Felis
A Kubernetes-driven Minecraft server hosting platform — one command to deploy, automatic lifecycle, backup, and security.
一款 Kubernetes 驱动的 Minecraft 服务器托管平台，一行命令部署，自动管理生命周期与安全。
Table of Contents
Features
- Wake on Join: Servers start automatically when a player connects, and stop when idle — like hibernate for your server.
- Web Dashboard: Monitor server status, online players, and resource usage from your browser, with backup and restore management.
- Auto Backup & Restore: Scheduled world backups with one-click rollback from any backup point.
- World Reaper: Worlds idle for more than 15 days are automatically backed up and removed to free disk space.
- Multi-core Support: Compatible with Paper, Fabric, Forge, and NeoForge, federated behind a Velocity proxy.
- Modpack Submission: Players submit custom modpacks; admin approval triggers automatic build and deployment.
- Passkey Login: Passwordless authentication via fingerprint, face recognition, or hardware security keys.
- Zero Trust Security: Panel traffic protected by Cloudflare Access; the internal API is never exposed to the internet.
Getting Started
On a prepared Linux host, run:
curl -fsSL https://raw.githubusercontent.com/MliroLirrorsIngenuity/Felis/main/deploy/bootstrap.sh | sudo bash
The script installs K3s, deploys the control plane, and launches a setup wizard. Once done, open your browser at the configured domain.
Build from Source
Felis is built with Go and Node.js:
# Backend (Go 1.26+)
go build -o felis ./cmd/felis
# Frontend (Node.js 22+)
cd panel
npm ci
npm run build
# Docker image
docker build -t felis:custom .
License
The source code is released under the MIT License.
License Notes
- Attribution: Any distribution of this project or derivative works must include the original copyright notice and license statement.
- Disclaimer: This project is provided "as is", without warranty of any kind.
Acknowledgements
- Kubernetes: Container orchestration engine
- K3s: Lightweight Kubernetes distribution
- Cloudflare Zero Trust: Zero trust security infrastructure
- PostgreSQL: Data persistence
- React: User interface framework
- Vite: Frontend build tool
- TailwindCSS: CSS framework
- Bubble Tea: TUI framework
- Minecraft: What makes this all worthwhile